Sprinkler



FIG. 1 is a top plan view of a sprinkler showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a rear perspective view thereof; and,

FIG. 6 is a front perspective view thereof.

The undisclosed bottom is flat and plain. 

The ornamental design for a sprinker, as shown and described. 